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How can i build electron canyon?

  1. Jul 19, 2012 #1
    hi, i'm new in this forum, i was wondering how to build an electron canyon? does somebody knows?
     
  2. jcsd
  3. Jul 19, 2012 #2
    What do you mean by an "electron canyon"?
     
  4. Jul 20, 2012 #3

    mfb

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    Staff: Mentor

    "Electron cannon"? An accelerator for electrons? I would use existing cathode ray tubes. The basic concept is one hot wire (emitting electrons) and a potential difference (accelerating the electrons) in a vacuum.
     
  5. Jul 20, 2012 #4
    thanks a lot, sorry about my writting
     
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